Changlog:
There are some changes from David Ahern's review:
- let the tool to be off-box analysis by getting cpu isa
from HEADER_CPUID feature and removing max-vcpu related code.
- attach per vcpu record structure to the thread by adding a void pointer
in "struct thread".
- remove unnecessary tool argument(-v).
The output example is following:
# ./perf kvm-events report --event mmio --vcpu 3
Warning: Error: expected type 5 but read 4
Warning: Error: expected type 5 but read 0
Warning: unknown op '}'
Analyze events for VCPU 3:
MMIO Access Samples Samples% Time% Avg time
0xfee00380:W 45534 78.00% 84.76% 5.27us ( +- 0.77% )
0xfee00300:W 4280 7.33% 9.37% 6.20us ( +- 1.91% )
0xfee00300:R 4280 7.33% 3.34% 2.21us ( +- 1.53% )
0xfee00310:W 4280 7.33% 2.52% 1.67us ( +- 0.71% )
Total Samples:58374, Total events handled time:283257.68us.
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